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authorReinUsesLisp <reinuseslisp@airmail.cc>2019-12-13 06:24:48 +0100
committerReinUsesLisp <reinuseslisp@airmail.cc>2019-12-13 06:24:48 +0100
commit2df9a2dcaf73bb548eea8584f2b47d18b18ea116 (patch)
tree03552b867c0577604a8348908c0b900a1d7a2344 /src/video_core/renderer_vulkan
parentMerge pull request #3217 from jhol/fix-boost-include (diff)
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Diffstat (limited to 'src/video_core/renderer_vulkan')
-rw-r--r--src/video_core/renderer_vulkan/vk_scheduler.cpp150
-rw-r--r--src/video_core/renderer_vulkan/vk_scheduler.h198
2 files changed, 311 insertions, 37 deletions
diff --git a/src/video_core/renderer_vulkan/vk_scheduler.cpp b/src/video_core/renderer_vulkan/vk_scheduler.cpp
index 0f8116458..d66133ad1 100644
--- a/src/video_core/renderer_vulkan/vk_scheduler.cpp
+++ b/src/video_core/renderer_vulkan/vk_scheduler.cpp
@@ -3,7 +3,7 @@
// Refer to the license.txt file included.
#include "common/assert.h"
-#include "common/logging/log.h"
+#include "common/microprofile.h"
#include "video_core/renderer_vulkan/declarations.h"
#include "video_core/renderer_vulkan/vk_device.h"
#include "video_core/renderer_vulkan/vk_resource_manager.h"
@@ -11,46 +11,172 @@
namespace Vulkan {
+MICROPROFILE_DECLARE(Vulkan_WaitForWorker);
+
+void VKScheduler::CommandChunk::ExecuteAll(vk::CommandBuffer cmdbuf,
+ const vk::DispatchLoaderDynamic& dld) {
+ auto command = first;
+ while (command != nullptr) {
+ auto next = command->GetNext();
+ command->Execute(cmdbuf, dld);
+ command->~Command();
+ command = next;
+ }
+
+ command_offset = 0;
+ first = nullptr;
+ last = nullptr;
+}
+
VKScheduler::VKScheduler(const VKDevice& device, VKResourceManager& resource_manager)
- : device{device}, resource_manager{resource_manager} {
- next_fence = &resource_manager.CommitFence();
+ : device{device}, resource_manager{resource_manager}, next_fence{
+ &resource_manager.CommitFence()} {
+ AcquireNewChunk();
AllocateNewContext();
+ worker_thread = std::thread(&VKScheduler::WorkerThread, this);
}
-VKScheduler::~VKScheduler() = default;
+VKScheduler::~VKScheduler() {
+ quit = true;
+ cv.notify_all();
+ worker_thread.join();
+}
void VKScheduler::Flush(bool release_fence, vk::Semaphore semaphore) {
SubmitExecution(semaphore);
- if (release_fence)
+ if (release_fence) {
current_fence->Release();
+ }
AllocateNewContext();
}
void VKScheduler::Finish(bool release_fence, vk::Semaphore semaphore) {
SubmitExecution(semaphore);
current_fence->Wait();
- if (release_fence)
+ if (release_fence) {
current_fence->Release();
+ }
AllocateNewContext();
}
+void VKScheduler::WaitWorker() {
+ MICROPROFILE_SCOPE(Vulkan_WaitForWorker);
+ DispatchWork();
+
+ bool finished = false;
+ do {
+ cv.notify_all();
+ std::unique_lock lock{mutex};
+ finished = chunk_queue.Empty();
+ } while (!finished);
+}
+
+void VKScheduler::DispatchWork() {
+ if (chunk->Empty()) {
+ return;
+ }
+ chunk_queue.Push(std::move(chunk));
+ cv.notify_all();
+ AcquireNewChunk();
+}
+
+void VKScheduler::RequestRenderpass(const vk::RenderPassBeginInfo& renderpass_bi) {
+ if (state.renderpass && renderpass_bi == *state.renderpass) {
+ return;
+ }
+ const bool end_renderpass = state.renderpass.has_value();
+ state.renderpass = renderpass_bi;
+ Record([renderpass_bi, end_renderpass](auto cmdbuf, auto& dld) {
+ if (end_renderpass) {
+ cmdbuf.endRenderPass(dld);
+ }
+ cmdbuf.beginRenderPass(renderpass_bi, vk::SubpassContents::eInline, dld);
+ });
+}
+
+void VKScheduler::RequestOutsideRenderPassOperationContext() {
+ EndRenderPass();
+}
+
+void VKScheduler::BindGraphicsPipeline(vk::Pipeline pipeline) {
+ if (state.graphics_pipeline == pipeline) {
+ return;
+ }
+ state.graphics_pipeline = pipeline;
+ Record([pipeline](auto cmdbuf, auto& dld) {
+ cmdbuf.bindPipeline(vk::PipelineBindPoint::eGraphics, pipeline, dld);
+ });
+}
+
+void VKScheduler::WorkerThread() {
+ std::unique_lock lock{mutex};
+ do {
+ cv.wait(lock, [this] { return !chunk_queue.Empty() || quit; });
+ if (quit) {
+ continue;
+ }
+ auto extracted_chunk = std::move(chunk_queue.Front());
+ chunk_queue.Pop();
+ extracted_chunk->ExecuteAll(current_cmdbuf, device.GetDispatchLoader());
+ chunk_reserve.Push(std::move(extracted_chunk));
+ } while (!quit);
+}
+
void VKScheduler::SubmitExecution(vk::Semaphore semaphore) {
+ EndPendingOperations();
+ InvalidateState();
+ WaitWorker();
+
+ std::unique_lock lock{mutex};
+
+ const auto queue = device.GetGraphicsQueue();
const auto& dld = device.GetDispatchLoader();
current_cmdbuf.end(dld);
- const auto queue = device.GetGraphicsQueue();
- const vk::SubmitInfo submit_info(0, nullptr, nullptr, 1, &current_cmdbuf, semaphore ? 1u : 0u,
+ const vk::SubmitInfo submit_info(0, nullptr, nullptr, 1, &current_cmdbuf, semaphore ? 1U : 0U,
&semaphore);
- queue.submit({submit_info}, *current_fence, dld);
+ queue.submit({submit_info}, static_cast<vk::Fence>(*current_fence), dld);
}
void VKScheduler::AllocateNewContext() {
+ std::unique_lock lock{mutex};
current_fence = next_fence;
- current_cmdbuf = resource_manager.CommitCommandBuffer(*current_fence);
next_fence = &resource_manager.CommitFence();
- const auto& dld = device.GetDispatchLoader();
- current_cmdbuf.begin({vk::CommandBufferUsageFlagBits::eOneTimeSubmit}, dld);
+ current_cmdbuf = resource_manager.CommitCommandBuffer(*current_fence);
+ current_cmdbuf.begin({vk::CommandBufferUsageFlagBits::eOneTimeSubmit},
+ device.GetDispatchLoader());
+}
+
+void VKScheduler::InvalidateState() {
+ state.graphics_pipeline = nullptr;
+ state.viewports = false;
+ state.scissors = false;
+ state.depth_bias = false;
+ state.blend_constants = false;
+ state.depth_bounds = false;
+ state.stencil_values = false;
+}
+
+void VKScheduler::EndPendingOperations() {
+ EndRenderPass();
+}
+
+void VKScheduler::EndRenderPass() {
+ if (!state.renderpass) {
+ return;
+ }
+ state.renderpass = std::nullopt;
+ Record([](auto cmdbuf, auto& dld) { cmdbuf.endRenderPass(dld); });
+}
+
+void VKScheduler::AcquireNewChunk() {
+ if (chunk_reserve.Empty()) {
+ chunk = std::make_unique<CommandChunk>();
+ return;
+ }
+ chunk = std::move(chunk_reserve.Front());
+ chunk_reserve.Pop();
}
} // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/vk_scheduler.h b/src/video_core/renderer_vulkan/vk_scheduler.h
index 0e5b49c7f..bcdffbba0 100644
--- a/src/video_core/renderer_vulkan/vk_scheduler.h
+++ b/src/video_core/renderer_vulkan/vk_scheduler.h
@@ -4,7 +4,14 @@
#pragma once
+#include <condition_variable>
+#include <memory>
+#include <optional>
+#include <stack>
+#include <thread>
+#include <utility>
#include "common/common_types.h"
+#include "common/threadsafe_queue.h"
#include "video_core/renderer_vulkan/declarations.h"
namespace Vulkan {
@@ -30,56 +37,197 @@ private:
VKFence* const& fence;
};
-class VKCommandBufferView {
+/// The scheduler abstracts command buffer and fence management with an interface that's able to do
+/// OpenGL-like operations on Vulkan command buffers.
+class VKScheduler {
public:
- VKCommandBufferView() = default;
- VKCommandBufferView(const vk::CommandBuffer& cmdbuf) : cmdbuf{cmdbuf} {}
+ explicit VKScheduler(const VKDevice& device, VKResourceManager& resource_manager);
+ ~VKScheduler();
+
+ /// Sends the current execution context to the GPU.
+ void Flush(bool release_fence = true, vk::Semaphore semaphore = nullptr);
+
+ /// Sends the current execution context to the GPU and waits for it to complete.
+ void Finish(bool release_fence = true, vk::Semaphore semaphore = nullptr);
+
+ /// Waits for the worker thread to finish executing everything. After this function returns it's
+ /// safe to touch worker resources.
+ void WaitWorker();
+
+ /// Sends currently recorded work to the worker thread.
+ void DispatchWork();
+
+ /// Requests to begin a renderpass.
+ void RequestRenderpass(const vk::RenderPassBeginInfo& renderpass_bi);
+
+ /// Requests the current executino context to be able to execute operations only allowed outside
+ /// of a renderpass.
+ void RequestOutsideRenderPassOperationContext();
+
+ /// Binds a pipeline to the current execution context.
+ void BindGraphicsPipeline(vk::Pipeline pipeline);
- const vk::CommandBuffer* operator->() const noexcept {
- return &cmdbuf;
+ /// Returns true when viewports have been set in the current command buffer.
+ bool TouchViewports() {
+ return std::exchange(state.viewports, true);
}
- operator vk::CommandBuffer() const noexcept {
- return cmdbuf;
+ /// Returns true when scissors have been set in the current command buffer.
+ bool TouchScissors() {
+ return std::exchange(state.scissors, true);
}
-private:
- const vk::CommandBuffer& cmdbuf;
-};
+ /// Returns true when depth bias have been set in the current command buffer.
+ bool TouchDepthBias() {
+ return std::exchange(state.depth_bias, true);
+ }
-/// The scheduler abstracts command buffer and fence management with an interface that's able to do
-/// OpenGL-like operations on Vulkan command buffers.
-class VKScheduler {
-public:
- explicit VKScheduler(const VKDevice& device, VKResourceManager& resource_manager);
- ~VKScheduler();
+ /// Returns true when blend constants have been set in the current command buffer.
+ bool TouchBlendConstants() {
+ return std::exchange(state.blend_constants, true);
+ }
+
+ /// Returns true when depth bounds have been set in the current command buffer.
+ bool TouchDepthBounds() {
+ return std::exchange(state.depth_bounds, true);
+ }
+
+ /// Returns true when stencil values have been set in the current command buffer.
+ bool TouchStencilValues() {
+ return std::exchange(state.stencil_values, true);
+ }
+
+ /// Send work to a separate thread.
+ template <typename T>
+ void Record(T&& command) {
+ if (chunk->Record(command)) {
+ return;
+ }
+ DispatchWork();
+ (void)chunk->Record(command);
+ }
/// Gets a reference to the current fence.
VKFenceView GetFence() const {
return current_fence;
}
- /// Gets a reference to the current command buffer.
- VKCommandBufferView GetCommandBuffer() const {
- return current_cmdbuf;
- }
+private:
+ class Command {
+ public:
+ virtual ~Command() = default;
- /// Sends the current execution context to the GPU.
- void Flush(bool release_fence = true, vk::Semaphore semaphore = nullptr);
+ virtual void Execute(vk::CommandBuffer cmdbuf,
+ const vk::DispatchLoaderDynamic& dld) const = 0;
- /// Sends the current execution context to the GPU and waits for it to complete.
- void Finish(bool release_fence = true, vk::Semaphore semaphore = nullptr);
+ Command* GetNext() const {
+ return next;
+ }
+
+ void SetNext(Command* next_) {
+ next = next_;
+ }
+
+ private:
+ Command* next = nullptr;
+ };
+
+ template <typename T>
+ class TypedCommand final : public Command {
+ public:
+ explicit TypedCommand(T&& command) : command{std::move(command)} {}
+ ~TypedCommand() override = default;
+
+ TypedCommand(TypedCommand&&) = delete;
+ TypedCommand& operator=(TypedCommand&&) = delete;
+
+ void Execute(vk::CommandBuffer cmdbuf,
+ const vk::DispatchLoaderDynamic& dld) const override {
+ command(cmdbuf, dld);
+ }
+
+ private:
+ T command;
+ };
+
+ class CommandChunk final {
+ public:
+ void ExecuteAll(vk::CommandBuffer cmdbuf, const vk::DispatchLoaderDynamic& dld);
+
+ template <typename T>
+ bool Record(T& command) {
+ using FuncType = TypedCommand<T>;
+ static_assert(sizeof(FuncType) < sizeof(data), "Lambda is too large");
+
+ if (command_offset > sizeof(data) - sizeof(FuncType)) {
+ return false;
+ }
+
+ Command* current_last = last;
+
+ last = new (data.data() + command_offset) FuncType(std::move(command));
+
+ if (current_last) {
+ current_last->SetNext(last);
+ } else {
+ first = last;
+ }
+
+ command_offset += sizeof(FuncType);
+ return true;
+ }
+
+ bool Empty() const {
+ return command_offset == 0;
+ }
+
+ private:
+ Command* first = nullptr;
+ Command* last = nullptr;
+
+ std::size_t command_offset = 0;
+ std::array<u8, 0x8000> data{};
+ };
+
+ void WorkerThread();
-private:
void SubmitExecution(vk::Semaphore semaphore);
void AllocateNewContext();
+ void InvalidateState();
+
+ void EndPendingOperations();
+
+ void EndRenderPass();
+
+ void AcquireNewChunk();
+
const VKDevice& device;
VKResourceManager& resource_manager;
vk::CommandBuffer current_cmdbuf;
VKFence* current_fence = nullptr;
VKFence* next_fence = nullptr;
+
+ struct State {
+ std::optional<vk::RenderPassBeginInfo> renderpass;
+ vk::Pipeline graphics_pipeline;
+ bool viewports = false;
+ bool scissors = false;
+ bool depth_bias = false;
+ bool blend_constants = false;
+ bool depth_bounds = false;
+ bool stencil_values = false;
+ } state;
+
+ std::unique_ptr<CommandChunk> chunk;
+ std::thread worker_thread;
+
+ Common::SPSCQueue<std::unique_ptr<CommandChunk>> chunk_queue;
+ Common::SPSCQueue<std::unique_ptr<CommandChunk>> chunk_reserve;
+ std::mutex mutex;
+ std::condition_variable cv;
+ bool quit = false;
};
} // namespace Vulkan